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ISL78302AARPLZ is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG LINEAR 1.85V/2.9V 10DFN. Review the specifications below when checking this part for your BOM.
The ISL78302AARPLZ is an automotive-grade dual-output low dropout (LDO) voltage regulator manufactured by Renesas Electronics. It features a DFN-10 surface-mount package and delivers a combined output current of 300 mA per channel with a quiescent current of 47 µA. The device operates within an input voltage range of 2.3 V to 6.5 V and provides fixed outputs of 1.85 V and 2.9 V. It achieves a typical power supply rejection ratio (PSRR) of 90 dB and maintains a maximum dropout voltage of 230 mV. The unit supports operation from -40°C to +105°C and includes overcurrent and thermal protection.
Verify component authenticity through authorized channels as the part is designated as obsolete. Confirm specific output voltage combinations against datasheet variants, as suffixes define fixed output levels. Check moisture sensitivity level handling requirements during storage and assembly. Ensure replacement strategies are established due to end-of-life status.
Select this component when dual isolated LDO outputs are required in a compact footprint. Verify that the fixed output voltages match system requirements, as adjustable versions differ. Consider the 300 mA current limit per channel for load capacity. Evaluate the DFN-10 package for thermal dissipation needs relative to ambient conditions.
This device belongs to the ISL78302A series of high-performance LDO regulators designed for automotive use. It shares core specifications with other variants like the ISL78302AARMMZ-T but differs in packaging and specific output voltage configurations. The series emphasizes low noise and high PSRR for demanding automotive electronics.
Public confirmed substitute part numbers are not available in the provided documentation.
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